The Guide to Colorado Reptiles and Amphibians by Young, Mary Taylor -- Read -- Imperial Library of Trantor

Common Lesser Earless Lizard Texas Horned Lizard Hernandez’s Short-horned Lizard Round-tailed Horned Lizard Common Sagebrush Lizard Desert Spiny Lizard Prairie Lizard/Fence Lizard Plateau Fence Lizard Ornate Tree Lizard Common Side-blotched Lizard

Family Teiidae – Whiptails

Colorado Checkered Whiptail/Triploid Checkered Whiptail Six-lined Racerunner Common Checkered Whiptail/Diploid Checkered Whiptail Tiger Whiptail/Western Whiptail Plateau Striped Whiptail

Family Scincidae – Skinks

Many-lined Skink/Variable Skink Great Plains Skink

Snakes: Order Squamata, Suborder Serpentes

Family Leptotyphlopidae – Slender Blind Snakes

Texas Threadsnake/Texas Blindsnake

Family Colubridae – Nonvenomous Snakes

Glossy Snake North American Racer Ring-necked Snake Great Plains Ratsnake/Corn Snake Plains Hog-nosed Snake Chihuahuan Nightsnake Desert Nightsnake Common Kingsnake Milksnake Smooth Greensnake Coachwhip Striped Whipsnake Northern Watersnake Bullsnake/Gophersnake Long-nosed Snake Western Groundsnake Smith’s Black-headed Snake Plains Black-headed Snake Black-necked Gartersnake Terrestrial Gartersnake Western Ribbonsnake Plains Gartersnake Common Gartersnake/Red-sided Gartersnake Lined Snake

Family Viperidae – Vipers

Prairie Rattlesnake Midget Faded Rattlesnake/Western Rattlesnake Massasauga

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